简便运算7.2×0.2＋2.4×1.4 2.3×16+2.3×23＋2.3 2.22×9.9＋6.66×6.7

来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/24 03:15:47
简便运算7.2×0.2＋2.4×1.42.3×16+2.3×23＋2.32.22×9.9＋6.66×6.7简便运算7.2×0.2＋2.4×1.42.3×16+2.3×23＋2.32.22×9.9＋6.

简便运算7.2×0.2＋2.4×1.4 2.3×16+2.3×23＋2.3 2.22×9.9＋6.66×6.7
简便运算7.2×0.2＋2.4×1.4 2.3×16+2.3×23＋2.3 2.22×9.9＋6.66×6.7

简便运算7.2×0.2＋2.4×1.4 2.3×16+2.3×23＋2.3 2.22×9.9＋6.66×6.7
7.2×0.2＋2.4×1.4
=2.4×0.6+2.4×1.4
=2.4×（0.6+1.4）
=2.4×2
=4.8
2.3×16+2.3×23＋2.3
=2.3×（16+23+1）
=2.3×40
=92
2.22×9.9＋6.66×6.7
=6.66×3.3+6.66×6.7
=6.66×(3.3+6.7)
=6.66×10
=66.6

7.2×0.2＋2.4×1.4
=2.4X0.6+2.4X1.4
=2.4X(0.6+1.4)
=2.4X2
=4.8
2.3×16+2.3×23＋2.3
=2.3X(16+23+1)
=2.3X40
=92
2.22×9.9＋6.66×6.7
=6.66X3.3+6.66X6.7
=6.66X(3.3+6.7...

全部展开

7.2×0.2＋2.4×1.4
=2.4X0.6+2.4X1.4
=2.4X(0.6+1.4)
=2.4X2
=4.8
2.3×16+2.3×23＋2.3
=2.3X(16+23+1)
=2.3X40
=92
2.22×9.9＋6.66×6.7
=6.66X3.3+6.66X6.7
=6.66X(3.3+6.7)
=6.66X10
=66.6

收起

7.2×0.2+2.4×1.2 简便运算 简便运算7.2×0.2＋2.4×1.4 2.3×16+2.3×23＋2.3 2.22×9.9＋6.66×6.7 7.4×0.2＋2.4×1.4 用简便运算怎么算?急 简便运算0.96×2.4＋4.8×0. 简便运算0.96×2.4＋4.8×0. 7.2×0.25简便运算 简便运算,12.5×7.2 0.99×2.4简便运算 7.2÷0.45简便运算 92*0.9 7.2简便运算 0.49÷1.4 简便运算 2.4/0.5的简便运算 2.4*1.2的简便运算 2.4×12.5怎么简便运算 2.4*12.5怎么简便运算? 9.7*2.4= 简便运算 5乘以8×98简便运算899＋344简便运算 1248÷24简便运算 能简便的要简便运算.2.7×3.7＋0.37×73 2.4×能简便的要简便运算.2.7×3.7＋0.37×73 2.4×5－10.7