
人教版數(shù)學(xué)四年級下冊簡便計算練習(xí)題(最新整理)
5頁四年級數(shù)學(xué)下冊四則運算簡便計算1、請你做法官:326-72 +28 = 326-(72+28)()改:73 +37-73 +37 = 0()改:2、怎樣簡便就怎樣算145+378+222+55 986+213-486+187 1069-(269-194)861-98 963-106 368+105 458 +94216+89+11 126+(54+74+46) 742―487―113+58435―46―14―40 1456―392―456―508 234―34―66382+165+35-82 (139+192)+61 5246-(246+694)693+369-193-269 463-187+137-113 983-(491+283)-1913、解決問題:一個工程隊要用一個月的時間挖一條長 2670 米的水渠,已知上旬挖了 1016 米,中旬挖了 984 米要想按期完成任務(wù),下旬需要挖多少米?1同學(xué)們?nèi)ボ妳^(qū)演出,四年級去 113 人,五年級去 272 人,六年級去 87 人三個年級一共去多少人?5、請你做法官:35×16 = 35 ×2 ×8()改:88 ×99 +88 = 88 ×100()改:73 × 37-73 × 37 = 0()改:83 ×99 = 83 ×(99 +1)()改:6、怎樣簡便就怎樣算。
25×256×125= 198×297+3×198= 64×125=253×12-12-12×52= 779×35-35-35×278= 52×24×25=74×40×125= 45×40×125= 303×247=88×125 99+33×17 167×24×25=25×32×125= 9×133+9+166×9= 140×16+293×140-140×9=7、解決問題:學(xué)校準備為田徑運動會購買一些獎品玩具三輪車 25 輛,每輛 24 元,摩托車 25 輛,每輛 26 元,小汽車 25 輛,每輛 80 元 ? 你能提出哪些數(shù)學(xué)問題?一座大樓有 25 層,每層有 24 個窗口,每個窗口有 4 塊玻璃,這座大樓一共有多少塊玻璃?某工廠原計劃一年生產(chǎn)農(nóng)具 4800 部, 實際用 10 個月就完成了任務(wù), 實際平均每月比原計劃每月多生產(chǎn)多少部農(nóng)具?8、簡便計算6.2+5.12+3.8 15.35+9.2-5.35 13.7-8.9—1.13.63-1.25+17.37-8.75 78×45+22×45 56×10138.67+68.23+45.8 98.2-37.18-10.8256.23+31.07-54.1 32.6+58.04+61.966.2+5.18+2.8 15.35-(5.35+7.2) 3.63-1.25+17.37-8.7598×45+2×45 56×102 13.7-9.98.9+0.46+1.1+3.54 29.36-0.25-8.75 51.27-8.66-1.3418.51-9.03-0.97 32+6.4 十 68 十 3.6 15.5 十 26.5 一 20.4IO.27 十 0.4-8.27 24.6 一 3.98 十 5.4-6.02 64.3 一 18.75 十 15.7 一 11.259、用小數(shù)計算下面各題。
63 元 7 角 2 分+32 元零 8 分 5 噸 70 千克+12 噸 8 千克63 元 7 角 2 分+32 元零 8 分 5 噸 70 千克+12 噸 8 千克“”“”At the end, Xiao Bian gives you a passage. Minand once said, "people who learn to learn are very happy people.". In every wonderful life, learning is an eternal theme. As a professional clerical and teaching position, I understand the importance of continuous learning, "life is diligent, nothing can be gained", only continuous learning can achieve better self. Only by constantly learning and mastering the latest relevant knowledge, can employees from all walks of life keep up with the pace of enterprise development and innovate to meet the needs of the market. This document is also edited by my studio professionals, there may be errors in the document, if there are errors, please correct, thank you!。
