改正下面各题中的错误。.@;_2[,{6}.W6n/r/U;q9R2i
(1)3+6×4.@;_2[,{6}.W6n/r/U;q9R2i
=9×4.@;_2[,{6}.W6n/r/U;q9R2i
=36.@;_2[,{6}.W6n/r/U;q9R2i
改正:.@;_2[,{6}.W6n/r/U;q9R2i
3+6×4=5q0}3W7K't-b,M1|.@;_2[,{6}.W6n/r/U;q9R2i
算式:提示,},u1C6q3I-G4S-S+g+v:k7C.V)v7k,|7^9I.@;_2[,{6}.W6n/r/U;q9R2i
(2)6×7+15.@;_2[,{6}.W6n/r/U;q9R2i
= 42.@;_2[,{6}.W6n/r/U;q9R2i
= 57.@;_2[,{6}.W6n/r/U;q9R2i
6×7+15=3m,O'U3e8Q,}4j/~.@;_2[,{6}.W6n/r/U;q9R2i
算式:提示9d(u9f'Y,o.@;_2[,{6}.W6n/r/U;q9R2i
(3)24+40÷8.@;_2[,{6}.W6n/r/U;q9R2i
=64÷8.@;_2[,{6}.W6n/r/U;q9R2i
=8.@;_2[,{6}.W6n/r/U;q9R2i
24+40÷8='[6e6v4?4m2y,l1f8O*\;O)O'V.@;_2[,{6}.W6n/r/U;q9R2i
算式:提示2q4N8m'F0t9\7_8_0W5j;z0X.@;_2[,{6}.W6n/r/U;q9R2i